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From: Andrea Arcangeli <andrea@qumranet.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Nick Piggin <npiggin@suse.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	linux-mm@kvack.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	steiner@sgi.com, linux-kernel@vger.kernel.org,
	Avi Kivity <avi@qumranet.com>,
	kvm-devel@lists.sourceforge.net, daniel.blueman@quadrics.com,
	Robin Holt <holt@sgi.com>, Hugh Dickins <hugh@veritas.com>
Subject: Re: [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges
Date: Thu, 31 Jan 2008 03:42:52 +0100	[thread overview]
Message-ID: <20080131024252.GF7185@v2.random> (raw)
In-Reply-To: <Pine.LNX.4.64.0801301805200.14071@schroedinger.engr.sgi.com>

On Wed, Jan 30, 2008 at 06:08:14PM -0800, Christoph Lameter wrote:
>  		hlist_for_each_entry_safe_rcu(mn, n, t,
				         ^^^^

>  					  &mm->mmu_notifier.head, hlist) {
>  			hlist_del_rcu(&mn->hlist);
				 ^^^^

_rcu can go away from both, if hlist_del_rcu can be called w/o locks.

  reply	other threads:[~2008-01-31  2:43 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-28 20:28 [patch 0/6] [RFC] MMU Notifiers V2 Christoph Lameter
2008-01-28 20:28 ` [patch 1/6] mmu_notifier: Core code Christoph Lameter
2008-01-28 22:06   ` Christoph Lameter
2008-01-29  0:05   ` Robin Holt
2008-01-29  1:19     ` Christoph Lameter
2008-01-29 13:59   ` Andrea Arcangeli
2008-01-29 14:34     ` Andrea Arcangeli
2008-01-29 19:49     ` Christoph Lameter
2008-01-29 20:41       ` Avi Kivity
2008-01-29 16:07   ` Robin Holt
2008-02-05 18:05   ` Andy Whitcroft
2008-02-05 18:17     ` Peter Zijlstra
2008-02-05 18:19     ` Christoph Lameter
2008-01-28 20:28 ` [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges Christoph Lameter
2008-01-29 16:20   ` Andrea Arcangeli
2008-01-29 18:28     ` Andrea Arcangeli
2008-01-29 20:30       ` Christoph Lameter
2008-01-29 21:36         ` Andrea Arcangeli
2008-01-29 21:53           ` Christoph Lameter
2008-01-29 22:35             ` Andrea Arcangeli
2008-01-29 22:55               ` Christoph Lameter
2008-01-29 23:43                 ` Andrea Arcangeli
2008-01-30  0:34                   ` Christoph Lameter
2008-01-29 19:55     ` Christoph Lameter
2008-01-29 21:17       ` Andrea Arcangeli
2008-01-29 21:35         ` Christoph Lameter
2008-01-29 22:02           ` Andrea Arcangeli
2008-01-29 22:39             ` Christoph Lameter
2008-01-30  0:00               ` Andrea Arcangeli
2008-01-30  0:05                 ` Andrea Arcangeli
2008-01-30  0:22                   ` Christoph Lameter
2008-01-30  0:59                     ` Andrea Arcangeli
2008-01-30  8:26                       ` Peter Zijlstra
2008-01-30  0:20                 ` Christoph Lameter
2008-01-30  0:28                   ` Jack Steiner
2008-01-30  0:35                     ` Christoph Lameter
2008-01-30 13:37                     ` Andrea Arcangeli
2008-01-30 14:43                       ` Jack Steiner
2008-01-30 19:41                         ` Christoph Lameter
2008-01-30 20:29                           ` Jack Steiner
2008-01-30 20:55                             ` Christoph Lameter
2008-01-30 16:11                 ` Robin Holt
2008-01-30 17:04                   ` Andrea Arcangeli
2008-01-30 17:30                     ` Robin Holt
2008-01-30 18:25                       ` Andrea Arcangeli
2008-01-30 19:50                         ` Christoph Lameter
2008-01-30 22:18                           ` Robin Holt
2008-01-30 23:52                           ` Andrea Arcangeli
2008-01-31  0:01                             ` Christoph Lameter
2008-01-31  0:34                               ` [kvm-devel] " Andrea Arcangeli
2008-01-31  1:46                                 ` Christoph Lameter
2008-01-31  2:34                                   ` Robin Holt
2008-01-31  2:37                                     ` Christoph Lameter
2008-01-31  2:56                                     ` [kvm-devel] mmu_notifier: invalidate_range_start with lock=1 Christoph Lameter
2008-01-31 10:52                                   ` [kvm-devel] [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges Andrea Arcangeli
2008-01-31  2:08                                 ` Christoph Lameter
2008-01-31  2:42                                   ` Andrea Arcangeli [this message]
2008-01-31  2:51                                     ` Christoph Lameter
2008-01-31 13:39                                       ` Andrea Arcangeli
2008-01-30 19:35                   ` Christoph Lameter
2008-01-28 20:28 ` [patch 3/6] mmu_notifier: invalidate_page callbacks for subsystems with rmap Christoph Lameter
2008-01-29 16:28   ` Robin Holt
2008-01-28 20:28 ` [patch 4/6] MMU notifier: invalidate_page callbacks using Linux rmaps Christoph Lameter
2008-01-29 14:03   ` Andrea Arcangeli
2008-01-29 14:24     ` Andrea Arcangeli
2008-01-29 19:51       ` Christoph Lameter
2008-01-28 20:28 ` [patch 5/6] mmu_notifier: Callbacks for xip_filemap.c Christoph Lameter
2008-01-28 20:28 ` [patch 6/6] mmu_notifier: Add invalidate_all() Christoph Lameter
2008-01-29 16:31   ` Robin Holt
2008-01-29 20:02     ` Christoph Lameter

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